From f07ef395ad4cd050e695edfec217ceb2158220a3 Mon Sep 17 00:00:00 2001
From: Jeff Garzik <jeff@garzik.org>
Date: Tue, 23 Oct 2007 19:12:11 -0400
Subject: [PATCH] drivers/char/riscom8: clean up irq handling

Make irq handling more efficient, by passing board pointer via
request_irq() to our irq handler's dev_id argument.

This eliminates a table lookup upon each interrupt, and eliminates an
associated global variable (the table).

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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